Home / 37,149,816.80-55,724,725.20-19,931,128.40

Finding the Fourth Proportional to 37,149,816.80, 55,724,725.20 and 19,931,128.40

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Solution

The fourth proportional to 37,149,816.80, 55,724,725.20 and 19,931,128.40 is: 29,896,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149,816.80 : 55,724,725.20 = 19,931,128.40 : x
  2. Step 2: Convert to fraction form
    37,149,816.80/55,724,725.20 = 19,931,128.40/x
  3. Step 3: Cross multiply
    37,149,816.80x = 55,724,725.20 × 19,931,128.40
  4. Step 4: Simplify right side
    37,149,816.80x = 1,110,656,653,015,915.62
  5. Step 5: Solve for x
    x = 1,110,656,653,015,915.62/37,149,816.80
  6. Step 6: Final answer
    x = 29,896,692.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.